Answer:
cost of 1 kg of washing powder is $1.2
Step-by-step explanation:
9 kg = $10.80
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cost for 1 kg =
Answer:
Donald needs 3 days to earn 3420 dollars
Step-by-step explanation:
Donald sells 760 marbles everyday. He sells each marble for 1.5 dollars
amount collected in one day= 
In one day the amount earned is 1140 dollars
we need to find the number of days needs to earn 3420 dollars
Number of days needed is 
So its around 3 days
Donald needs 3 days to earn 3420 dollars
0.07
45h represents how much it costs per hour to get it fixed and how long it takes to get it fixed
0.07(45h) would represent the tax because it is 7% of the cost pretax
Answer:
$27.98
Step-by-step explanation:
100 - 30 in price %=70%
Price will be 70% of original regular price
$39.98 * .7 = answer